A design of optical resonator for donut mode generation

Research output: Chapter in Book/Report/Conference proceedingConference contribution


A resonator to generate a single LGp=0ℓ=1 donut mode with high mode purity up to 99% is reported. The resonator consists of three lens elements and one binary phase element. With such high mode purity, the generated donut laser beam is applicable to a number of studies including trapping and rotating micro particles, non-linear optics, and atomlight interaction. The tolerance of the proposed configuration is discussed, as well methods of compensating for the thermal effects of laser materials while manipulating the resonator in a practical laser diode end-pumped solid state laser system.

Original languageEnglish
Title of host publicationLaser Beam Shaping VIII
Publication statusPublished - 2007 Dec 1
EventLaser Beam Shaping VIII - San Diego, CA, United States
Duration: 2007 Aug 282007 Aug 29

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
ISSN (Print)0277-786X


OtherLaser Beam Shaping VIII
CountryUnited States
CitySan Diego, CA


All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Chu, S. C. (2007). A design of optical resonator for donut mode generation. In Laser Beam Shaping VIII [66630Q] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 6663). https://doi.org/10.1117/12.733947